- Category: Geographic Feature
- Type: Hill or Mountain
- Latitude/Longitude: 52°46'13"N 3°31'20"W
- Eastings/Northings: 297383, 320293
- OS Grid: SH973202
- Mapcode Local: GBR 6H.YGTZ
- Mapcode Global: WH67S.VMTF
Location and coordinates are for the approximate centre of Mynydd St John within this administrative area.
Geographic features and populated places may cross administrative borders.